CN101904281A

CN101904281A - Automatic film cut-off device on film spreading and spaced sowing machine

Info

Publication number: CN101904281A
Application number: CN 201010215286
Authority: CN
Inventors: 陈恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-01
Filing date: 2010-07-01
Publication date: 2010-12-08
Anticipated expiration: 2030-07-01
Also published as: CN101904281B

Abstract

The invention relates to an agricultural spaced sowing machine, in particular to an automatic film cut-off device on a film spreading and spaced sowing machine for automatically cutting off a mulching film and renewedly beginning film spreading operations in a sowing operation process of the film spreading and spaced sowing machine, belonging to a part on a hill planter. The automatic film cut-off device on the film spreading and spaced sowing machine comprises a film cutter larger than the width of a mulching film, a film suction pipe and a cutter saddle for fixing the film cutter and the suction pipe, wherein the cutter saddle is sleeved on a central shaft of a roller bracket, which ensures that the cutter saddle can move up and down by using the central shaft of the roller bracket as a supporting point. The invention has the advantages that the fully-automatic operation of film cutting and film spread beginning is realized, the human inputs of manual film cutting and manual film spread beginning are saved, and the production efficiency is greatly improved.

Description

Automatic film-cutting equipment on the film planter of shop

Technical field

The present invention relates to a kind of agricultural seeding machine, particularly spread the film planter in the seeding operation process automatic mulching film breaking and restart to spread a kind of automatic film-cutting equipment of spreading on the film planter of film operation, belong to the parts on the film spreading and hill-drop drill.

Technical background

At present, the film-mulching technique of China is widely used in agricultural seeder.Common blanket film spreading and hill-drop drill, bunch planting cylinder and the combination of press mold wheel, earthing dish normally are installed on rolling stand, in the sowing rotary drum or be outside equipped with essence and measure kind of a device, plant parts such as case, in use this rolling stand is connected with the traction frame, is drawing device that fixing film roll is installed on the frame, fertilizer can etc.The traction frame can the index drum support rise and fall.At shop film cargo handling operation, in tractor walking beginning, at first need manually to strut film, the press mold wheel is pushed down two of film, along with earthing dish earthing, is pushed down by earthing two of film; But when tractor is walked the edge of a field, need turn around, need this moment the traction frame that rolling stand is lifted the next line planting after plastic covered, make the bunch planting cylinder break away from ground, simultaneously by manually mulch film being cut off, like this, not only increased the input of manpower, and made that the efficient of entire job is not high.

Summary of the invention

The objective of the invention is to above-mentioned the deficiencies in the prior art part, propose a kind of automatically disconnected film shop film device that can be applied on the film hole seeding arrangement of shop.

The object of the present invention is achieved like this:

Apparatus of the present invention comprise a cutting membrane knife and a suction membrane tube greater than the mulch film width, and the knife rest that is used for fixing cutting membrane knife and suction membrane tube, and knife rest is sleeved on the rolling stand central shaft, make that knife rest can be that fulcrum moves up and down with the rolling stand central shaft; Described suction membrane tube is a hollow tubular, and its axis is parallel with the cutting edge of cutting membrane knife; Described cutting membrane knife is banded, and its cutting edge is a zigzag; In the described knife rest is that blank pipe is communicated with suction membrane tube; Be interrupted on the described suction membrane tube wall and be provided with the suction fenestra; It is equidistant to be interrupted the suction fenestra that is provided with on the described suction membrane tube; Knife rest is provided with the hole that is communicated with the negative pressure pipe; Knife rest can be set to one with rolling stand, and promptly two rolling stands extend the fixedly rod member formation knife rest of cutting membrane knife.

The technology of the present invention has the following advantages:

The advantage of the technology of the present invention is to realize resolving film and the full-automatic operation that begins to spread film, has saved artificial disconnected film and the human input of manually restarting to spread film, has improved production efficiency greatly.

Description of drawings

Fig. 1 is a front view of the present invention;

Fig. 2 is Fig. 1 working state schematic representation;

Fig. 3 is the vertical view view of accompanying drawing 1;

Fig. 4 is the A-A cutaway view of accompanying drawing 2;

Fig. 5 is a kind of cutting membrane knife structural representation in the accompanying drawing 1;

Fig. 6 is the B-B cutaway view of Fig. 2.

Embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.

Shown in accompanying drawing 1-6, the label among the figure is represented respectively: 1--overlay film ditch, 2--mulch film, 3--frame, the hinged connecting shaft of 4--, 5--rolling stand (knife rest), 6--negative pressure are portalled, 7--blank pipe, 8--rolling stand central shaft, 9--cylinder, 10--earthing dish, 11-suction membrane tube, 12--are inhaled fenestra, 13--cutting membrane knife, 14-cut mulch film, 15--cutting membrane knife cutting edge, 16-zigzag cutting edge.

Apparatus of the present invention comprise a cutting membrane knife 13 and the suction membrane tube 11 greater than the mulch film width, and the length of suction membrane tube 11 and quantity can be selected as required, are as the criterion can pick up mulch film; And the knife rest that is used for fixing cutting membrane knife 13 and suction membrane tube 11, knife rest (described knife rest of present embodiment and rolling stand are structure as a whole) is sleeved on the rolling stand central shaft 8, makes that knife rest can be that fulcrum moves up and down with rolling stand central shaft 8; Described suction membrane tube is a hollow tubular, and its axis is parallel with the cutting edge of cutting membrane knife; Described cutting membrane knife 13 is banded, and its cutting edge 15 promptly can be common flat edge, selects zigzag 16 cutting edges for best but cut mulch film; In the described knife rest is blank pipe 7(or title: negative pressure channel) be communicated with suction membrane tube 11, certainly, technical staff of the same trade should be understood that also and external negative pressure pipe directly can be connected with suction membrane tube, do not adopt the technical scheme by knife rest hollow; Be interrupted on described suction membrane tube 11 walls to be provided with and inhale fenestra 12; It is equidistant to be interrupted the suction fenestra that is provided with on the described suction membrane tube; Knife rest is provided with the negative pressure that is communicated with the negative pressure pipe and portals 6; Knife rest 5 can be set to one with rolling stand, promptly two rolling stands extend the fixedly rod member formation knife rest 5 of cutting membrane knife, obviously also can the split setting, the identical knife rest of one structure promptly is set in addition, connect with the rolling stand bearing and to get final product, this is known by those skilled in the art, so do not repeat them here.

When the present invention used, under the traction of frame 5, the press mold wheel on the cylinder 9 was pressed into the mulch film 2 on ground level in the overlay film ditch 1, and by earthing dish 10 the mulch film both sides is pushed down, and simultaneously, the hole seeding arrangement on the cylinder 9 is implemented bunch planting on the film.One end of roller shelves support 5 is hinged and connected by hinge 4 and frame 3, the middle support with cylinder 9 by rolling stand central shaft 8 links to each other, the other end links to each other with cutting membrane knife 13 and suction membrane tube 11, and the suction fenestra 12 on the suction membrane tube 11 is by blank pipe 7(negative pressure channel) portalling with negative pressure 6 communicates.When 6 layings of delegation's mulch film finish, in the process that the afterbody of frame 3 has been hanged by workover rig motor-car level, knife rest 5 is hinged with rolling stand central shaft 8, lift at the afterbody of frame 3 a end knife rest 5, and with hinged connecting shaft 3 rolling stand 5 that is pin joint under the double action that tilts to descend, forming knife rest 5 front ends is the power thick stick, drum shaft 8 is a fulcrum, the tail end of knife rest 5 is a resistance thick stick state, under the effect of lever principle, cutting knife 13 is by incision ground and be cut off mulch film 14, and cut mulch film is just adsorbed by approaching shaft-like suction membrane tube 11; Along with the continuation lifting of oblique-roller support (knife rest) 5, whole mulch film 2 just is suspended from the ground; Land and carry out before next line shop film begins when facility have been hanged by integral body and run to whole facility, the trailing edge of mulch film 2 is inhaled on suction membrane tube 11 all the time.When new delegation's shop film operation began, in the process that the workover rig motor-car is fallen the afterbody level of frame 3, drum segment became heeling condition to descend, and suction membrane tube 11 at first lands.In the process that the afterbody of frame 3 continues to fall, suction membrane tube 11 is the center of circle with drum shaft 8, level after the afterbody that knife rest 5 progressively turns to frame 3 thoroughly lands, at this knife rest 5 in the process that horizontally rotates, promptly suction membrane tube 11 built on stilts process in, the tail end of the mulch film 2 that is adsorbed by suction membrane tube 11 breaks away from the absorption of suction membrane tube 11 and lands, and has begun the shop film operation of next line.

Though below design and example according to the object of the invention have been done to elaborate with reference to accompanying drawing; but those of ordinary skills can recognize; under the precondition that does not break away from the claim limited range; still can make various improvement and conversion to the present invention, and this improvement and conversion still should belong to protection scope of the present invention.

Claims

1. spread the automatic film-cutting equipment on the film planter, it is characterized in that, comprise a cutting membrane knife and a suction membrane tube greater than the mulch film width, and the knife rest that is used for fixing cutting membrane knife and suction membrane tube, knife rest is sleeved on the rolling stand central shaft, makes that knife rest can be that fulcrum moves up and down with the rolling stand central shaft.

2. the automatic film-cutting equipment on the film planter of shop according to claim 1 is characterized in that, described cutting membrane knife is banded, and its cutting edge is a zigzag.

3. the automatic film-cutting equipment on the film planter of shop according to claim 1 is characterized in that described suction membrane tube is a hollow tubular, and its axis is parallel with the cutting edge of cutting membrane knife.

4. the automatic film-cutting equipment on the film planter of shop according to claim 1 is characterized in that, is the blank pipe shape in the described knife rest and is communicated with suction membrane tube.

5. the automatic film-cutting equipment on the film planter of shop according to claim 1 is characterized in that, is interrupted being provided with the suction fenestra on the described suction membrane tube wall.

6. the automatic film-cutting equipment on the film planter of shop according to claim 4 is characterized in that, it is equidistant to be interrupted the suction fenestra that is provided with on the described suction membrane tube.

7. the automatic film-cutting equipment on the film planter of shop according to claim 5 is characterized in that described knife rest is provided with the hole that is communicated with the negative pressure pipe.

8. the automatic film-cutting equipment on the film planter of shop according to claim 1 is characterized in that described knife rest can be set to one with rolling stand, and promptly two rolling stands extend the fixedly rod member formation knife rest of cutting membrane knife.